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package org.glassfish.jersey.server.spi;

import javax.ws.rs.ConstrainedTo;
import javax.ws.rs.RuntimeType;

import org.glassfish.jersey.spi.Contract;

/**
 * Classes implementing this contract receive container life-cycle notification
 * events.
 *
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
@Contract
@ConstrainedTo(RuntimeType.SERVER)
public interface ContainerLifecycleListener {

    /**
     * Invoked at the {@link Container container} start-up. This method is invoked even
     * when application is reloaded and new instance of application has started.
     *
     * @param container container that has been started.
     */
    public void onStartup(Container container);

    /**
     * Invoked when the {@link Container container} has been reloaded.
     *
     * @param container container that has been reloaded.
     */
    public void onReload(Container container);

    /**
     * Invoke at the {@link Container container} shut-down. This method is invoked even before
     * the application is being stopped as a part of reload.
     *
     * @param container container that has been shut down.
     */
    public void onShutdown(Container container);
}
